{"product_id":"rolex-datejust-31mm-278289rbr-0006-dark-grey-dial-white-gold-president-watch","title":"Rolex Datejust 31 278289RBR-0006 Dark Grey Diamond Dial 18kt White Gold President Watch","description":"\u003cp\u003eMeasuring 31mm, the case is crafted from 18kt white gold with a monobloc middle case construction, screw-down case back, and a screw-down Twinlock winding crown for waterproofness to 100 metres. Scratch-resistant sapphire crystal protects the dial, with a Cyclops lens positioned over the date window for easy reading. The bezel is fully set with diamonds, adding further brilliance to the white gold form.\u003c\/p\u003e\u003cp\u003eThe dark grey dial is itself set with diamonds in 18kt gold settings, creating a layered interplay of depth and light across the face. The President bracelet — rendered in 18kt white gold with semi-circular three-piece links — secures via a concealed folding Crownclasp, completing the watch's cohesive precious-metal construction.\u003c\/p\u003e\u003cp\u003ePower comes from the Calibre 2236, a perpetual mechanical self-winding movement manufactured by Rolex. It features a Syloxi silicon hairspring with patented geometry, Paraflex shock absorbers, bidirectional winding via Perpetual rotor, and a power reserve of approximately 55 hours. The movement carries Superlative Chronometer certification — reflecting both COSC testing and Rolex's own post-casing standard of -2\/+2 seconds per day precision.\u003c\/p\u003e","brand":"It's That Time","offers":[{"title":"Default Title","offer_id":49919885541605,"sku":null,"price":47689.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/5600\/7653\/files\/Rolex-278289rbr-0006-darkgreydiamond-diamondset-president.jpg?v=1782916102","url":"https:\/\/itsthattimenyc.com\/products\/rolex-datejust-31mm-278289rbr-0006-dark-grey-dial-white-gold-president-watch","provider":"It's That Time ","version":"1.0","type":"link"}